cargo area

On vacation, car working fine. Drove in the morning, fine. Packed car, and check engine light came on. Trunk/hatch very full of cargo, but not heavy. All areas very full, under seats, etc. Checked gas cap. Drove home five hours. Was not near any city areas for service. Everything drove...

This has happened a few times where I was at work thinking about dropping by the big box store during the lunch hour to pick up some project materials or tools and wondered if whatever would fit in the cargo area. I would even spend a few minutes with a general Google image or web search to see...